Keystones — Bedrock

Five GCSE retrieval questions · 23 February 2024 · mathsvault.uk/keystones

1. Number

Simplify: 7² × 7³

Answer: 7⁵
2. Algebra

Find the next term: 30, 35, 40, 45, ...

Answer: 50
3. Geometry

Opposite = 8cm, hypotenuse = 16cm. Find the angle

Answer: 30° (approximately)
4. Ratio

Simplify the ratio 21:18

Answer: 7:6
5. Statistics

Find the median of: 13, 17, 9, 11, 5

Answer: 11

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